Dubrovnik: Blue Cave Tour by Speedboat

The Adriatic looks best from a fast boat. This four-hour outing combines Blue Cave swimming with the Three Green Caves, a sandy beach stop, snorkeling, and drinks on board. I especially like the mix of active water time and easy beach time, and the open speedboat makes the ride itself part of the fun. The main drawback is that you need to be a decent swimmer, and the boat has no toilet.

The tour costs about $82 per person, which is fair for a half-day on the water. Fuel, snorkeling gear, drinks, and a waterproof bag are included, but food, towels, and hotel transportation are not. The boat is shared, so this is a lively group outing rather than a quiet private cruise.

Key points to know before booking

• The Blue Cave stop lasts about 30 minutes: You swim from the boat into the cave, so bring swimwear and be ready for open-water access.
• Three Green Caves gets 45 minutes: This is your longest snorkeling and photo stop, with time to explore several rocky openings around Koločep.
• Šunj Beach provides the relaxed middle break: You get roughly an hour to an hour and a half for sand, swimming, cocktails, or food at the beach bar.
• Captain Mario has been praised for boat handling and music: Good control matters on a speedboat, especially when the ride includes sea spray and quick stops.
• Cold drinks are included: Water, beer, wine, and Coca-Cola are available, which saves you from buying every refreshment separately.
• The meeting point needs care: Several boats leave from the area near the social sciences library, so look for Antonio, a red shirt, or Adriatic Boat Tours.

Why this short boat trip works

Dubrovnik is famous for its old stone walls, but the sea gives you a different view of the region. The islands just offshore are low, rocky, and shaped by the water. In four hours, you can move between caves, open sea, and a sandy beach without committing to a full-day cruise.

I like the pace. You are not stuck on the boat all day, yet you get enough time at three distinct stops. The speedboat covers the longer stretches quickly, leaving the useful part of the tour for swimming and beach time.

This is not a sightseeing cruise where you remain seated and listen to a long commentary. It is a hands-on outing. You climb aboard, feel the wind, swim into caves, walk through shallow water, and return with salt on your skin. That makes it a good match for people who want an active break from Dubrovnik’s streets.

The open boat also brings a few trade-offs. You will feel wind, cold, and spray during the ride. Dress for the conditions rather than assuming the Croatian sun will keep you warm. The boat is also not suitable for people prone to seasickness, people with back problems, pregnant women, wheelchair users, babies under one year, or people over 70.

Meeting at the Dubrovnik departure point

The starting point is near Knjižnica za društvene znanosti, an area used by many boat tours. Staff should be waiting for you, but finding the right boat may take a moment because several operators leave from nearby.

Look for Antonio, a staff member in a red shirt, or the Adriatic Boat Tours name. One useful practical lesson is to arrive with enough time to identify the crew instead of walking up at the last minute. Clear signs at the departure area may be limited.

Once you find the boat, keep your bags small. Large luggage is not allowed, but a waterproof bag is supplied for belongings that need protection from spray. You should still bring only what you need for several hours by the sea.

The 30-minute speedboat ride to the caves

The first ride takes about 30 minutes. This is not simply dead time between attractions. The speedboat gives you a quick look at the coast and islands, while the open design lets you feel the wind and sea air directly.

You should expect a firm, exposed ride rather than a sheltered ferry crossing. Keep sunglasses secure, use sunscreen before boarding, and wear footwear that can handle wet surfaces. Flip-flops are listed as useful, but you should still move carefully when getting in and out of the boat.

Music can add to the mood. Captain Mario has received particular praise for his music choices and boat control, two details that matter more than they may sound. A good captain keeps the ride comfortable, and the right music helps turn the transfer into part of the outing.

There is no toilet on board. Use a restroom before departure, since the beach is the only stop with toilet access.

Swimming into the Blue Cave on Koločep

The Blue Cave is the headline stop. You get about 30 minutes for swimming and snorkeling around the cave on Koločep Island.

Do not picture a cave visit with a walkway, railing, or dry entrance. You need to swim into the cave from the boat. That requirement makes the stop exciting, but it also sets a clear limit: you should be comfortable in open water and able to swim without assistance.

The cave’s appeal comes from the change in light inside the rocky opening. You can look around, take photographs, and snorkel in the water nearby. The supplied snorkeling gear means you do not need to pack your own mask and equipment.

Thirty minutes is enough for a memorable stop, but it will pass quickly. You may spend part of that time waiting your turn to enter the cave, swimming through the opening, and getting back to the boat. Use the time well by having your camera ready before you reach the entrance.

The Blue Cave is also the most dependent on sea and weather conditions. The provided information does not promise that every stop will be identical in all conditions, so keep your expectations flexible. The tour is built around swimming, not simply viewing the cave from the deck.

Exploring the Three Green Caves

The Three Green Caves stop lasts about 45 minutes, making it the longest cave visit. You have time for photographs, swimming, and snorkeling around the rocky formations.

Compared with the Blue Cave, this stop offers more room to spread out your activities. You can take photographs first, then swim, or spend longer looking beneath the surface. The caves create a more varied setting, with several openings and rock walls rather than one main cave entrance.

I like this stop because it balances the short Blue Cave visit. If the Blue Cave feels like a quick burst of excitement, the Three Green Caves give you time to settle into the water and enjoy the surroundings at your own pace.

The same swimming requirement applies. You are entering the water from the speedboat, not stepping onto a pier. Snorkeling gear is included, but you need to bring your own confidence in the water. A waterproof bag is useful here, especially if you want to keep a phone or camera close by.

Šunj Beach brings sand and a slower hour

After the caves, the boat heads to Šunj Beach. The ride takes about 15 minutes, followed by roughly one hour to 90 minutes at the beach.

This is the tour’s easiest stop. Instead of climbing into a cave or snorkeling from the boat, you can walk through shallow water to the sandy beach, stretch out, swim, and take a break at the beach bar. Cocktails and food are available for purchase, but they are not included in the tour price.

The sand matters. Much of the shore around Dubrovnik is rocky, so a proper sandy beach feels like a change of pace. If you have been walking on stone streets and swimming from rock platforms, Šunj gives your feet a softer landing.

You can also use the restroom here, the only known toilet stop during the outing. Plan your needs around this break rather than expecting facilities on the speedboat.

The beach stop is long enough to relax, but not so long that the day turns into a beach vacation. If you want a cocktail, food, and a swim, the time should feel comfortable. If you only want to lie in the sand, it may feel more than you need. Bring cash or a card, since both are listed among the suggested items.

What is included for $82

At about $82, the price makes the most sense if you use the included extras. You receive:

• Snorkeling equipment
• Water, beer, wine, and Coca-Cola
• Fuel for the speedboat
• A waterproof bag

That package avoids several small costs that can add up on a boat day. You do not need to rent snorkeling gear separately, and cold drinks are available during the ride.

Food at Šunj Beach costs extra, as do cocktails. Towels are not included, and hotel pickup and drop-off are not part of the deal. You need to reach the meeting point yourself and return there at the end.

The value is strongest for someone who wants three water stops in a compact half-day. A private boat would cost more, but this shared tour gives you the main sights without paying for exclusive use. If you prefer silence, personal scheduling, or plenty of space, the group format may not suit you.

The tour has a 4.7 rating from 46 ratings, and 86 percent of ratings give the transport a perfect score. Those figures fit the nature of the trip: the boat ride and captain are central to the experience, not merely a way to reach the stops.

Timing, comfort, and what to pack

Four hours sounds short, but the schedule is full:

• About 30 minutes from the meeting point to the first cave
• 30 minutes at the Blue Cave
• About 10 minutes to the Three Green Caves
• 45 minutes at the Three Green Caves
• About 15 minutes to Šunj Beach
• One hour to 90 minutes at the beach
• About 30 minutes back to Dubrovnik

The exact order may be adjusted, but the planned stops and approximate time are clear. You should treat the tour as a structured group outing, not a flexible private charter.

Pack swimwear, a towel, sunglasses, sunscreen, flip-flops, a camera, and some cash or a credit card. The sun can be strong, and the open boat offers little protection. Apply sunscreen before leaving and bring it where you can reach it during the day.

A waterproof phone case is also sensible, even though a waterproof bag is supplied. Keep valuables to a minimum. Large bags and luggage are not allowed.

The boat’s open design means conditions can change quickly from warm sun to cool spray. A light cover-up is practical, especially on the return ride. People who regularly get seasick should skip this outing, since the speedboat and open sea may make the problem worse.

Who will enjoy this Dubrovnik tour most

I would recommend this tour to confident swimmers, couples, friends, and families with older children who want active time on the water. It works especially well if you have only half a day available and want more than a standard coastal cruise.

You will enjoy it most if you like switching activities. One hour you are snorkeling in a cave, then you are taking photographs among rocky openings, and later you are sitting at a sandy beach with a drink.

It is less suitable if you want a slow, quiet boat ride, dislike sea spray, or need frequent toilet access. The swimming is not optional in practical terms, since entering the caves requires getting into the water. Walking through shallow water is also necessary to reach the beach.

The age restrictions are firm in the provided information. Pregnant women, people with back problems, wheelchair users, people prone to seasickness, babies under one year, and people over 70 should not book this activity.

How to make the day run smoothly

Arrive early enough to find the correct crew at the meeting area. Look for Antonio, the red shirt, or Adriatic Boat Tours, and do not assume every boat departing nearby is yours.

Wear swimwear under your clothes and apply sunscreen before boarding. You will save time at the first cave and reduce the chance of burning during the exposed ride.

Keep your phone, wallet, and camera in the waterproof bag when you are not using them. You will be moving between boat, water, shallow shoreline, and sand, so dry storage is more useful than a large day bag.

Use the beach restroom even if you do not think you need to. There is no toilet on the speedboat, and the return journey takes about 30 minutes.

Finally, do not book this as a passive sightseeing trip. The best parts require you to swim, climb in and out of the boat, and handle sun and spray. Go prepared, and the outing should feel full without becoming exhausting.

Should you book the Blue Cave speedboat tour?

Book it if you want a compact, active introduction to Dubrovnik’s nearby islands. The combination of Blue Cave, Three Green Caves, snorkeling, included drinks, and Šunj Beach gives you plenty for $82, especially when you value a fast boat and organized transport between stops.

Skip it if you need a toilet on board, cannot swim confidently, suffer from seasickness, or want a private and unhurried boat day. For the right person, this is a strong half-day choice: energetic at the caves, easygoing at the beach, and practical enough to fit around other Dubrovnik plans.

FAQ

How long is the Dubrovnik Blue Cave speedboat tour?

The tour lasts four hours, including the boat rides between Dubrovnik, Koločep Island, and Šunj Beach.

How much does the tour cost?

The listed price is $82 per person.

Where does the tour start and finish?

It starts and finishes near Knjižnica za društvene znanosti in Dubrovnik.

How do I find the correct boat?

Look for Antonio, a staff member in a red shirt, or the Adriatic Boat Tours name. Several tours use the same general departure area.

Is snorkeling equipment included?

Yes. Snorkeling gear is included in the tour price.

What drinks are included?

The boat provides water, beer, wine, and Coca-Cola.

Is food included?

No. Food is not included, though food and cocktails are available for purchase at the beach bar on Šunj Beach.

Do I need to know how to swim?

Yes. You need to swim to enter the caves, and you should be a decent swimmer. You also need to walk through shallow water to reach the sandy beach.

Is there a toilet on the speedboat?

No. The only toilet mentioned is at the beach, so use the restroom before departure and during the Šunj Beach stop.

Can I bring luggage or a large bag?

No. Luggage and large bags are not allowed. A waterproof bag is provided for smaller belongings.